Tool holder



FIG. 1 is an environmental perspective view of a tool holder showing my new design, with the strap shown broken away for convenience of illustration;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof.

The broken line showing of a human forearm, hand and part of a tool in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tool holder, as shown and described. 